Scaling Up Retrofit - event.networks.online · 5/9/2019 · Scaling Up Retrofit where can energy...
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Scaling Up Retrofit where can energy efficiencies be made in existing homes? Dr Richard Miller Associate Director, Connected Places Catapult
Transcript of Scaling Up Retrofit - event.networks.online · 5/9/2019 · Scaling Up Retrofit where can energy...
Scaling Up Retrofit
where can energy efficiencies be made inexisting homes?
Dr Richard MillerAssociate Director, Connected Places Catapult
Future Cities Catapult
ConnectedPlacesCatapult
New name for the merger of:Future Cities Catapult andTransport Systems Catapult
Help British businesses create connected places, fit for the future.
Creating cities, towns and places where smooth flow of people, goods, transportation and services, drives economic success, productivity and wellbeing.
Why Retrofit?
30% UK energy20% UK carbon emissions
https://www.ofgem.gov.uk/data-portal/electricity-generation-mix-quarter-and-fuel-source-gb
Heat
Electricity
Header
3 millionnew social homes
80% of the homes for 2050 already built
Headerengland.shelter.org.uk
2.9
8.2 8.2
16.4
19.7
14.2
6.18.1
6.1
10.1
0
5
10
15
20
25
Stock agehttps://www.designingbuildings.co.uk/wiki/English_housing_stock_age
building regs
insulation
0.14%
9.99%
26.77%
39.01%
17.70%
4.90%
1.48%
A
B
C
D
E
F
G
EPC Rating England and Wales
https://www.gov.uk/government/statistical-data-sets/live-tables-on-energy-performance-of-buildings-certificates
From :”Lethal and Illegal – Solving London’s Air Pollution Crisis”, IPPR, 2016
HeaderAgar Grove – Hawkins/Brown
Homes fit
for the future
HeaderAgar Grove – Hawkins/Brown
Low carbon
Comfortable
Adaptable
Resilient
Committee on Climate Change
• A major improvement in UK housing• Near complete decarbonisation of
housing stock• Stock not well-adapted for current or
future climate
DEEPRETROFIT
• Low user demand
• No clear government policy driving retrofit
• High costs and lack of supply chain capability
• Lack of finance
Barriers
• Clear consistent policy and a national retrofit programme
• Focus on social housing first
• Create a convincing story for householders
• Stimulate supply chain capacity and innovation
Report recommendations
33% reduction in cost of construction and whole life cost
50% reduction in the overall time to completion
50% reduction in greenhouse gas emissions
50% reduction in the trade gap
Construction 2025 Strategy
• UK construction output is £119bn pa (2017)• Of that about £40bn is housing
• About half of that is repairs and maintenance
• £20bn pa R&M will increase and be delivered in new ways.
• Total household energy expenditure £25.5bn pa
• Potential energy savings at least £15bn pa
Benefits - direct
• Potential carbon savings – 75 MtCO2
• Social cost of carbon saved - £4.7bn
• Dramatic reduction in NOx and particulates in cities
• 30,000 excess winter deaths in UK – 10,000 due to poor housing
• Cost to NHS of poor housing – at least £1.4bn pa
• Adaptation of housing worth £500m pa to NHS
Benefits – environmental & social
Design
Materials
Construction
www.cibsejournal.com/case-studies
https://www.greenbuildingstore.co.uk/kingsley-passivhaus/
www.nakedenergy.co.uk
www.powervault.co.uk
www.ventive.co.uk
www.airex.tech
www.green-alliance.org.uk/resources/reinventing_retrofit.pdf
www.qbot.co.uk
[email protected]@miller_klein@CPCatapulthttps://cp.catapult.org.uk/
